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Explore the pivotal era of American diplomacy under Presidents John Tyler and James K. Polk. This period was crucial for US territorial expansion, marked by aggressive foreign policies that reflected the spirit of Manifest Destiny. Discover the key events and strategies that shaped Tyler and Polk's foreign policy, from the annexation of Texas to the Oregon boundary dispute and the Mexican-American War.

Explore the profound relationship between the United States' territorial expansion and the evolution of its Constitution. This historical process fundamentally shaped American governance, identity, and legal framework, adapting to new lands and diverse populations.